Universal Water Quality and Wastewater Testing Standard; 4 x 1 L bottles

Standardize multiple parameters with a single solution|Reduce the number of standards neededcertified for 12 standard testing parameters|Shake-and-pour solution is ready to useno dilution needed|Use for all your EPA-compliant testing methods|Come as a case of 4 x 1-liter bottlesrefrigerate after opening|This universal wastewater standard is designed to reduce the total number of standards you need to manage and keep in your lab. The sterile and stable solution is certified for 12 conventional wastewater testing parameters and works with EPA-compliant methods. After opening, store the bottle in a refrigerator, tightly capped. Concentrations may vary slightly, but are reflected on the Certificate of Analysis included with each case|Final Concentrations: TOC 121 mg/L BOD5 198 mg/L CBOD 163 mg/L COD 292 mg/L TSS 100 mg/L Conductivity 600 umhos pH 7.2 units Total Solids 725 mg/L o-PO4 2.50 mg/L TDS 450 mg/L N-NH3 7.50 mg/L N-NO3 3.00 mg/L